package com.kuang.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    //ShiroFilterFactoryBean
    @Bean( name="shiroFilterFactoryBean")
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager securityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(securityManager);

        /**
         * 添加Shiro  的内置过滤器
         * anon :无需认证就可以访问，
         * authc:必须认证了才可以访问
         * user:必须拥有 记住我 功能才可以访问
         * perms:拥有对某个资源的权限才能访问
         * roles:拥有某个角色权限才能访问
         */

        //拦截
        Map map = new LinkedHashMap();

        //授权 正常的情况下，没有授权会跳转到未授权的页面
        map.put("/user/add","perms[user:add]");
        map.put("/user/update","perms[user:update]");

        //map.put("/user/add","anon");
        //map.put("/user/update","authc");
        //通配符
        map.put("/user/*","authc");
        bean.setFilterChainDefinitionMap(map);

        //设置登录请求
        bean.setLoginUrl("/toLogin");
        //未授权的请求
        bean.setUnauthorizedUrl("/noauth");

        return bean;
    }


    //DefaultwebSecurityManager:2
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSessionManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联UserRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //创建 realm 对象  需要自定义:1
    @Bean
    //@Bean(name = "userRealm")
    public UserRealm userRealm(){
        return new UserRealm();
    }

    //整合ShiroDialect :用来整合 shiro thymeleaf
    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }

}
